In his speech, Cameron said: "Children can’t go into the shops or the cinema and buy things meant for adults or have adult experiences – we rightly regulate to protect them.

"But when it comes to the internet, in the balance between freedom and responsibility, we have neglected our responsibility to our children."

Laura Bates, founder of the Everyday Sexism project, said Cameron was "missing the point" on Page 3.

She said: "The No More Page 3 campaign isn't asking for a ban - they're asking the editor of one of our largest newspapers to rethink the decision to display a picture of a young, airbrushed woman with her breasts out as the largest image and symbol of women in the paper day in, day out."